Abstract
Using a new damage-field gradient partitioning approach to fracture and frictional contact in the material point method (MPM) we have demonstrated a capability to produce mesh-independent predictions of particle size distribution in simulations of comminution of brittle materials. Here, we apply this new methodology to simulate damage and dynamic loading in mesoscale models of porous, heterogeneous materials. Simulations are validated against experimental data, and we discuss the advantages and limitations of this new methodology.
Track: Dynamic Behavior of Materials
Session: Dynamic Behavior of Geomaterials
This work was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under contract DE-AC52-07NA27344. Lawrence Livermore National Security, LLC. LLNL-CONF-725442.
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© 2018 The Society for Experimental Mechanics, Inc.
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Homel, M.A., Herbold, E.B. (2018). Mesoscale Modeling of Porous Materials Using New Methodology for Fracture and Frictional Contact in the Material Point Method. In: Kimberley, J., Lamberson, L., Mates, S. (eds) Dynamic Behavior of Materials, Volume 1. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, Cham. https://doi.org/10.1007/978-3-319-62956-8_17
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DOI: https://doi.org/10.1007/978-3-319-62956-8_17
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